//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var docCal;
var MonthName=["January", "February", "March", "April", "May", "June","July",
"August", "September", "October", "November", "December"];
var WeekDayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
var exDateTime;//Existing Date and Time
//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="DateTime Picker";//Date Time Picker title.
var WeekChar=2;//number of character for week day. if 2 then Mo,Tu,We. if 3 then Mon,Tue,Wed.
var CellWidth=20;//Width of day cell.
var DateSeparator="/";//Date Separator, you can change it to "/" if you want.
var TimeMode=24;//default TimeMode value. 12 or 24
var ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=true;//Show Month and Year in Calendar header.
var MonthYearColor="#cc0033";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="#0099CC";//Background Color in Week header.
var SundayColor="#6699FF";//Background color of Sunday.
var SaturdayColor="#CCCCFF";//Background color of Saturday.
var WeekDayColor="white";//Background color of weekdays.
var FontColor="blue";//color of font in Calendar day cell.
var TodayColor="#FFFF33";//Background color of today.
var SelDateColor="#FFFF99";//Backgrond color of selected date in textbox.
var YrSelColor="#cc0033";//color of font of Year selector.
var ThemeBg="";//Background image of Calendar window.
//end Configurable parameters
//end Global variable
function NewCal(pCtrl,pFormat,pShowTime,pTimeMode)
{
Cal=new Calendar(dtToday);
if ((pShowTime!=null) && (pShowTime))
{
Cal.ShowTime=true;
if ((pTimeMode!=null) &&((pTimeMode=='12')||(pTimeMode=='24')))
{
TimeMode=pTimeMode;
}
}
if (pCtrl!=null)
Cal.Ctrl=pCtrl;
if (pFormat!=null)
Cal.Format=pFormat.toUpperCase();
exDateTime=document.getElementById(pCtrl).value;
if (exDateTime!="")//Parse Date String
{
var Sp1;//Index of Date Separator 1
var Sp2;//Index of Date Separator 2
var tSp1;//Index of Time Separator 1
var tSp1;//Index of Time Separator 2
var strMonth;
var strDate;
var strYear;
var intMonth;
var YearPattern;
var strHour;
var strMinute;
var strSecond;
//parse month
Sp1=exDateTime.indexOf(DateSeparator,0)
Sp2=exDateTime.indexOf(DateSeparator,(parseInt(Sp1)+1));
if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
{
strMonth=exDateTime.substring(Sp1+1,Sp2);
strDate=exDateTime.substring(0,Sp1);
}
else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
{
strMonth=exDateTime.substring(0,Sp1);
strDate=exDateTime.substring(Sp1+1,Sp2);
}
if (isNaN(strMonth))
intMonth=Cal.GetMonthIndex(strMonth);
else
intMonth=parseInt(strMonth,10)-1;
if ((parseInt(intMonth,10)>=0) && (parseInt(intMonth,10)<12))
Cal.Month=intMonth;
//end parse month
//parse Date
if ((parseInt(strDate,10)<=Cal.GetMonDays()) && (parseInt(strDate,10)>=1))
Cal.Date=strDate;
//end parse Date
//parse year
strYear=exDateTime.substring(Sp2+1,Sp2+5);
YearPattern=/^\d{4}$/;
if (YearPattern.test(strYear))
Cal.Year=parseInt(strYear,10);
//end parse year
//parse time
if (Cal.ShowTime==true)
{
tSp1=exDateTime.indexOf(":",0)
tSp2=exDateTime.indexOf(":",(parseInt(tSp1)+1));
strHour=exDateTime.substring(tSp1,(tSp1)-2);
Cal.SetHour(strHour);
strMinute=exDateTime.substring(tSp1+1,tSp2);
Cal.SetMinute(strMinute);
strSecond=exDateTime.substring(tSp2+1,tSp2+3);
Cal.SetSecond(strSecond);
}
}
winCal=window.open("","DateTimePicker","toolbar=0,status=0,menubar=0,fullscreen=no,width=195,height=245,resizable=0,top="+cnTop+",left="+cnLeft);
docCal=winCal.document;
RenderCal();
}
function RenderCal()
{
var vCalHeader;
var vCalData;
var vCalTime;
var i;
var j;
var SelectStr;
var vDayCount=0;
var vFirstDay;
docCal.open();
docCal.writeln("<html><head><title>"+WindowTitle+"</title>");
docCal.writeln("<script>var winMain=window.opener;</script>");
docCal.writeln("</head><body background='"+ThemeBg+"' link="+FontColor+" vlink="+FontColor+"><form name='Calendar'>");
vCalHeader="\n";
//Month Selector
vCalHeader+="\n\n";
vCalHeader+="";
//Calendar header shows Month and Year
if (ShowMonthYear)
vCalHeader+="\n";
//Week day header
vCalHeader+="";
for (i=0;i<7;i++)
{
vCalHeader+="";
}
vCalHeader+="";
docCal.write(vCalHeader);
//Calendar detail
CalDate=new Date(Cal.Year,Cal.Month);
CalDate.setDate(1);
vFirstDay=CalDate.getDay();
vCalData="";
for (i=0;i<vfirstday;i++)>
{
vCalData=vCalData+GenCell();
vDayCount=vDayCount+1;
}
for (j=1;j<=Cal.GetMonDays();j++)
{
var strCell;
vDayCount=vDayCount+1;
if ((j==dtToday.getDate())&&(Cal.Month==dtToday.getMonth())&&(Cal.Year==dtToday.getFullYear()))
strCell=GenCell(j,true,TodayColor);//Highlight today's date
else
{
if (j==Cal.Date)
{
strCell=GenCell(j,true,SelDateColor);
}
else
{
if (vDayCount%7==0)
strCell=GenCell(j,false,SaturdayColor);
else if ((vDayCount+6)%7==0)
strCell=GenCell(j,false,SundayColor);
else
strCell=GenCell(j,null,WeekDayColor);
}
}
vCalData=vCalData+strCell;
if((vDayCount%7==0)&&(j<cal.getmondays()))>
{
vCalData=vCalData+"\n";
}
}
docCal.writeln(vCalData);
//Time picker
if (Cal.ShowTime)
{
var showHour;
showHour=Cal.getShowHour();
vCalTime="\n\n";
docCal.write(vCalTime);
}
//end time picker
docCal.writeln("\n
";
//Year selector
vCalHeader+="\n\n";
vCalHeader+="<select name=\"MonthSelector\" onChange=\"javascript:winMain.Cal.SwitchMth(this.selectedIndex);winMain.RenderCal();\">\n";
for (i=0;i<12;i++)
{
if (i==Cal.Month)
SelectStr="Selected";
else
SelectStr="";
vCalHeader+="<option "+SelectStr+" value >"+MonthName[i]+"\n";
}
vCalHeader+="</select> | <</font> "+Cal.Year+" > |
|
| "+Cal.GetMonthName(ShowLongMonth)+" "+Cal.Year+" |
| "+WeekDayName[i].substr(0,WeekChar)+" |
|
|
";
vCalTime+="<input type='text' name='hour' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+showHour+" onchange=\"javascript:winMain.Cal.SetHour(this.value)\">";
vCalTime+=" : ";
vCalTime+="<input type='text' name='minute' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Minutes+" onchange=\"javascript:winMain.Cal.SetMinute(this.value)\">";
vCalTime+=" : ";
vCalTime+="<input type='text' name='second' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Seconds+" onchange=\"javascript:winMain.Cal.SetSecond(this.value)\">";
if (TimeMode==12)
{
var SelectAm =(parseInt(Cal.Hours,10)<12)? "Selected":"";
var SelectPm =(parseInt(Cal.Hours,10)>=12)? "Selected":"";
vCalTime+="<select name=\"ampm\" onchange=\"javascript:winMain.Cal.SetAmPm(this.options[this.selectedIndex].value);\">";
vCalTime+="<option "+SelectAm+" value=\"AM\">AM</option>";
vCalTime+="<option "+SelectPm+" value=\"PM\">PM<option>";
vCalTime+="</select>";
}
vCalTime+="\n |
");
docCal.writeln("</form></body></html>");
docCal.close();
}
function GenCell(pValue,pHighLight,pColor)//Generate table cell with value
{
var PValue;
var PCellStr;
var vColor;
var vHLstr1;//HighLight string
var vHlstr2;
var vTimeStr;
if (pValue==null)
PValue="";
else
PValue=pValue;
if (pColor!=null)
vColor="bgcolor=\""+pColor+"\"";
else
vColor="";
if ((pHighLight!=null)&&(pHighLight))
{vHLstr1="color='red'>
";vHLstr2="";}
else
{vHLstr1=">";vHLstr2="";}
if (Cal.ShowTime)
{
vTimeStr="winMain.document.getElementById('"+Cal.Ctrl+"').value+=' '+"+"winMain.Cal.getShowHour()"+"+':'+"+"winMain.Cal.Minutes"+"+':'+"+"winMain.Cal.Seconds";
if (TimeMode==12)
vTimeStr+="+' '+winMain.Cal.AMorPM";
}
else
vTimeStr="";
PCellStr="
"+PValue+""+vHLstr2+"";
return PCellStr;
}
function Calendar(pDate,pCtrl)
{
//Properties
this.Date=pDate.getDate();//selected date
this.Month=pDate.getMonth();//selected month number
this.Year=pDate.getFullYear();//selected year in 4 digits
this.Hours=pDate.getHours();
if (pDate.getMinutes()<10)
this.Minutes="0"+pDate.getMinutes();
else
this.Minutes=pDate.getMinutes();
if (pDate.getSeconds()<10)
this.Seconds="0"+pDate.getSeconds();
else
this.Seconds=pDate.getSeconds();
this.MyWindow=winCal;
this.Ctrl=pCtrl;
this.Format="ddMMyyyy";
this.Separator=DateSeparator;
this.ShowTime=false;
if (pDate.getHours()<12)
this.AMorPM="AM";
else
this.AMorPM="PM";
}
function GetMonthIndex(shortMonthName)
{
for (i=0;i<12;i++)
{
if (MonthName[i].substring(0,3).toUpperCase()==shortMonthName.toUpperCase())
{ return i;}
}
}
Calendar.prototype.GetMonthIndex=GetMonthIndex;
function IncYear()
{ Cal.Year++;}
Calendar.prototype.IncYear=IncYear;
function DecYear()
{ Cal.Year--;}
Calendar.prototype.DecYear=DecYear;
function SwitchMth(intMth)
{ Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;
function SetHour(intHour)
{
var MaxHour;
var MinHour;
if (TimeMode==24)
{ MaxHour=23;MinHour=0}
else if (TimeMode==12)
{ MaxHour=12;MinHour=1}
else
alert("TimeMode can only be 12 or 24");
var HourExp=new RegExp("^\\d\\d$");
if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
{
if ((TimeMode==12) && (Cal.AMorPM=="PM"))
{
if (parseInt(intHour,10)==12)
Cal.Hours=12;
else
Cal.Hours=parseInt(intHour,10)+12;
}
else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
{
if (intHour==12)
intHour-=12;
Cal.Hours=parseInt(intHour,10);
}
else if (TimeMode==24)
Cal.Hours=parseInt(intHour,10);
}
}
Calendar.prototype.SetHour=SetHour;
function SetMinute(intMin)
{
var MinExp=new RegExp("^\\d\\d$");
if (MinExp.test(intMin) && (intMin<60))
Cal.Minutes=intMin;
}
Calendar.prototype.SetMinute=SetMinute;
function SetSecond(intSec)
{
var SecExp=new RegExp("^\\d\\d$");
if (SecExp.test(intSec) && (intSec<60))
Cal.Seconds=intSec;
}
Calendar.prototype.SetSecond=SetSecond;
function SetAmPm(pvalue)
{
this.AMorPM=pvalue;
if (pvalue=="PM")
{
this.Hours=(parseInt(this.Hours,10))+12;
if (this.Hours==24)
this.Hours=12;
}
else if (pvalue=="AM")
this.Hours-=12;
}
Calendar.prototype.SetAmPm=SetAmPm;
function getShowHour()
{
var finalHour;
if (TimeMode==12)
{
if (parseInt(this.Hours,10)==0)
{
this.AMorPM="AM";
finalHour=parseInt(this.Hours,10)+12;
}
else if (parseInt(this.Hours,10)==12)
{
this.AMorPM="PM";
finalHour=12;
}
else if (this.Hours>12)
{
this.AMorPM="PM";
if ((this.Hours-12)<10)
finalHour="0"+((parseInt(this.Hours,10))-12);
else
finalHour=parseInt(this.Hours,10)-12;
}
else
{
this.AMorPM="AM";
if (this.Hours<10)
finalHour="0"+parseInt(this.Hours,10);
else
finalHour=this.Hours;
}
}
else if (TimeMode==24)
{
if (this.Hours<10)
finalHour="0"+parseInt(this.Hours,10);
else
finalHour=this.Hours;
}
return finalHour;
}
Calendar.prototype.getShowHour=getShowHour;
function GetMonthName(IsLong)
{
var Month=MonthName[this.Month];
if (IsLong)
return Month;
else
return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;
function GetMonDays()//Get number of days in a month
{
var DaysInMonth=[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
if (this.IsLeapYear())
{
DaysInMonth[1]=29;
}
return DaysInMonth[this.Month];
}
Calendar.prototype.GetMonDays=GetMonDays;
function IsLeapYear()
{
if ((this.Year%4)==0)
{
if ((this.Year%100==0) && (this.Year%400)!=0)
{
return false;
}
else
{
return true;
}
}
else
{
return false;
}
}
Calendar.prototype.IsLeapYear=IsLeapYear;
function FormatDate(pDate)
{
if(pDate<10)
pDate="0"+pDate;
var mon = this.Month+1;
if(mon<10)
mon="0"+mon;
if (this.Format.toUpperCase()=="DDMMYYYY")
return (pDate+DateSeparator+(mon)+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="DDMMMYYYY")
return (pDate+DateSeparator+this.GetMonthName(false)+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="MMDDYYYY")
return ((mon)+DateSeparator+pDate+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="MMMDDYYYY")
return (this.GetMonthName(false)+DateSeparator+pDate+DateSeparator+this.Year);
}
Calendar.prototype.FormatDate=FormatDate;
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